Latest Posts

Monzo: From Banking App to Banking Economics

Reassessing an early investment through the lens of customer economics, regulatory capital and valuation Investment disclosure: I first invested in Monzo in February 2016. This article is not a contemporaneous record of why I invested then; I have not reconstructed

How to validate my startup ideas before building: a practical guide

Before building your startup, it’s crucial to validate the idea. In this post, I share how to talk to potential customers, research the market, create a landing page, and test with an MVP or pre-sales. These steps help confirm demand, saving time and ensuring you're building something people want.